#1B483B#1B483B

#1B483B is a dark, muted teal. Relative luminance 0.052; OKLCH L 36.6% C 0.055 H 171.5°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#1B483B
RGB	rgb(27, 72, 59)
HSL	hsl(163, 45%, 19%)
HSV	hsv(163, 63%, 28%)
CMYK	cmyk(62.5%, 0%, 18.1%, 71.8%)
CIE-LAB	lab(27.25, -19.16, 3.19)
CIE-LCH	lch(27.25, 19.42, 170.55°)
OKLab	oklab(36.6% -0.0541 0.0081)
OKLCH	oklch(36.6% 0.055 171.5)
XYZ	xyz(3.5584, 5.1832, 4.9498)
Luminance	0.0518 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B483B #481B28

analogous

#1B4825 #1B483B #1B3F48

triadic

#1B483B #3B1B48 #483B1B

tetradic

#1B483B #251B48 #481B28 #3F481B

square

#1B483B #251B48 #481B28 #3F481B

split-complementary

#1B483B #481B3F #48251B

monochromatic

#081612 #0A1B17 #1B483B #2C755F #3CA184

Accessibility & contrast

On white

10.31

#1B483B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1B483B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B483B

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B483B	#FFFFFF	#000000	##FFFFFF
##1B483B	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46433A

Deuteranopia (green-blind)

#3F3E3C

Tritanopia (blue-blind)

#034944

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1b483b;
/* rgb */ color: rgb(27, 72, 59);
/* oklch */ color: oklch(36.6% 0.055 171.5);

Tailwind

colors: {
  custom: {
    50: '#5c7b70',
    500: '#1b483b',
    950: '#000000',
  },
}

SCSS

$custom: #1b483b;
$custom-light: #5c7b70;
$custom-dark: #000000;

JSON

{
  "hex": "#1b483b",
  "rgb": {
    "r": 27,
    "g": 72,
    "b": 59
  },
  "hsl": {
    "h": 162.667,
    "s": 45.455,
    "l": 19.412
  },
  "oklch": {
    "l": 0.36597,
    "c": 0.0547,
    "h": 171.5
  },
  "luminance": 0.05184
}

Semantic roles & 50–950 ramp

primary

#1B483B

secondary

#7E4153

accent

#5378D5

background

#F5F7F6

surface

#E9EEEC

border

#C5C9C7

text

#040907

muted

#797B7A

Preview Lab

Preview with #1B483B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →